const getReference = (el, binding, vnode) => {
    const _ref = binding.expression ? binding.value : binding.arg;
    const popper = vnode.context.$refs[_ref];
    if (popper) {
        if (Array.isArray(popper)) {
            popper[0].$refs.reference = el;
        } else {
            popper.$refs.reference = el;
        }
    }
};

export default {
    bind(el, binding, vnode) {
        getReference(el, binding, vnode);
    },
    inserted(el, binding, vnode) {
        getReference(el, binding, vnode);
    }
};
